1 Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via G. C. Pupilli 1, 40136 Bologna, Italy. Electronic address: [email protected].
2 Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via G. C. Pupilli 1, 40136 Bologna, Italy.
3 Department of Radiology, Auckland City Hospital, 2 Park Road, Grafton, Auckland, 1023, New Zealand; Department of Radiology, Hospital Nueve de Octubre, Calle Valle de la Ballestera, 59, 46015, Valencia, Spain.